diff --git a/crates/claims/crates/data-integrity/suites/src/suites/w3c/bbs_2023/derive.rs b/crates/claims/crates/data-integrity/suites/src/suites/w3c/bbs_2023/derive.rs
index 6c73071d5..eadbdfced 100644
--- a/crates/claims/crates/data-integrity/suites/src/suites/w3c/bbs_2023/derive.rs
+++ b/crates/claims/crates/data-integrity/suites/src/suites/w3c/bbs_2023/derive.rs
@@ -130,10 +130,10 @@ where
     let new_proof = Proof {
         context: base_proof.context.cloned(),
         type_: Bbs2023,
-        created: base_proof.created,
+        created: base_proof.created.cloned(),
         verification_method: base_proof.verification_method.cloned(),
         proof_purpose: base_proof.proof_purpose,
-        expires: base_proof.expires,
+        expires: base_proof.expires.cloned(),
         domains: base_proof.domains.to_vec(),
         challenge: base_proof.challenge.map(ToOwned::to_owned),
         nonce: base_proof.nonce.map(ToOwned::to_owned),
diff --git a/crates/claims/crates/data-integrity/suites/src/suites/w3c/bbs_2023/signature/mod.rs b/crates/claims/crates/data-integrity/suites/src/suites/w3c/bbs_2023/signature/mod.rs
index 681cbb272..eb25b8dc4 100644
--- a/crates/claims/crates/data-integrity/suites/src/suites/w3c/bbs_2023/signature/mod.rs
+++ b/crates/claims/crates/data-integrity/suites/src/suites/w3c/bbs_2023/signature/mod.rs
@@ -185,7 +185,7 @@ _:b5 <https://windsurf.grotto-networking.com/selective#year> \"2023\"^^<http://w
         ];
         let proof_configuration = ProofConfiguration::new(
             Bbs2023,
-            xsd_types::DateTimeStamp::now_ms(),
+            xsd_types::DateTimeStamp::now_ms().into(),
             ReferenceOrOwned::Reference("did:method:test".parse().unwrap()),
             ProofPurpose::Assertion,
             (),